Unit Conversion Calculator

Convert between units of length, area, weight, volume, temperature, speed, and time.

Result
All conversions from

Common Unit Conversions Quick Reference

Length

  • 1 foot = 12 inches = 30.48 centimeters = 0.3048 meters
  • 1 mile = 5,280 feet = 1,760 yards = 1.609 kilometers
  • 1 meter = 3.281 feet = 39.37 inches = 100 centimeters
  • 1 inch = 2.54 centimeters

Area

  • 1 square foot = 144 square inches = 0.0929 square meters
  • 1 acre = 43,560 square feet = 4,047 square meters
  • 1 square mile = 640 acres = 2.59 square kilometers
  • 1 square meter = 10.764 square feet

Weight

  • 1 pound = 16 ounces = 453.6 grams = 0.4536 kilograms
  • 1 kilogram = 2.205 pounds = 35.27 ounces
  • 1 US ton = 2,000 pounds = 907.2 kilograms
  • 1 stone = 14 pounds = 6.35 kilograms

Volume

  • 1 US gallon = 4 quarts = 8 pints = 128 fluid ounces = 3.785 liters
  • 1 liter = 33.81 fluid ounces = 4.227 cups = 1,000 milliliters
  • 1 cubic foot = 7.481 gallons = 28.32 liters
  • 1 tablespoon = 3 teaspoons = 14.79 milliliters

Temperature

Fahrenheit to Celsius: (F - 32) x 5/9
Celsius to Fahrenheit: (C x 9/5) + 32
Celsius to Kelvin: C + 273.15